1.22.0

Features

1. #330: Add support for write structured data - NamedTuple, Data Classes
2. #335: Add support for custom precision for index specified as number [DataFrame]
3. #341: Add support for handling batch events

Bug Fixes

1. #348: Optimize appending new columns to Pandas DataFrame [DataFrame]

Documentation

1. #331: Add Migration Guide
2. #341: How to handle client errors